SALT LAKE CITY - NASA (news - web sites) scientists said Friday they have recovered some critical pieces of the Genesis space capsule intact and are optimistic the wreckage will yield valuable information about the origins of the solar system. "We should be able to meet many, if not all, of our science goals," said physicist Roger C. Wiens of the Los Alamos National Laboratory. The Genesis capsule spent 2 1/2 years gathering solar atoms, but crashed while returning to Earth on Wednesday, slamming into the ground at nearly 200 mph after its parachutes failed to open. It cracked open...